1 | #ifndef morpheo_behavioural_core_multi_front_end_front_end_prediction_unit_branch_target_buffer_Branch_Target_Buffer_h |
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2 | #define morpheo_behavioural_core_multi_front_end_front_end_prediction_unit_branch_target_buffer_Branch_Target_Buffer_h |
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3 | |
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4 | /* |
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5 | * $Id: Branch_Target_Buffer.h 82 2008-05-01 16:48:45Z rosiere $ |
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6 | * |
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7 | * [ Description ] |
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8 | * |
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9 | */ |
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10 | |
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11 | #ifdef SYSTEMC |
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12 | #include "systemc.h" |
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13 | #endif |
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14 | |
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15 | #include <iostream> |
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16 | #include "Common/include/ToString.h" |
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17 | #include "Common/include/Debug.h" |
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18 | #include "Behavioural/include/Types.h" |
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19 | |
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20 | #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Branch_Target_Buffer/include/Parameters.h" |
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21 | #ifdef STATISTICS |
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22 | #include "Behavioural/include/Stat.h" |
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23 | #endif |
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24 | #include "Behavioural/include/Component.h" |
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25 | #ifdef VHDL |
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26 | #include "Behavioural/include/Vhdl.h" |
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27 | #endif |
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28 | #include "Behavioural/include/Usage.h" |
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29 | |
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30 | #include "Behavioural/Generic/Sort/include/Sort.h" |
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31 | #include "Behavioural/Generic/Victim/include/Victim.h" |
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32 | #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Branch_Target_Buffer/Branch_Target_Buffer_Glue/include/Branch_Target_Buffer_Glue.h" |
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33 | #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Branch_Target_Buffer/Branch_Target_Buffer_Register/include/Branch_Target_Buffer_Register.h" |
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34 | |
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35 | namespace morpheo { |
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36 | namespace behavioural { |
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37 | |
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38 | namespace core { |
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39 | namespace multi_front_end { |
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40 | namespace front_end { |
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41 | namespace prediction_unit { |
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42 | namespace branch_target_buffer { |
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43 | |
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44 | |
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45 | class Branch_Target_Buffer |
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46 | #if SYSTEMC |
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47 | : public sc_module |
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48 | #endif |
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49 | { |
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50 | // -----[ fields ]---------------------------------------------------- |
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51 | // Parameters |
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52 | protected : const std::string _name; |
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53 | protected : const Parameters * _param; |
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54 | private : const Tusage_t _usage; |
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55 | |
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56 | #ifdef STATISTICS |
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57 | public : Stat * _stat; |
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58 | #endif |
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59 | |
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60 | public : Component * _component; |
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61 | private : Interfaces * _interfaces; |
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62 | |
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63 | #ifdef SYSTEMC |
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64 | // ~~~~~[ Interface ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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65 | // ~~~~~[ Interface : "" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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66 | public : SC_CLOCK * in_CLOCK ; |
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67 | public : SC_IN (Tcontrol_t) * in_NRESET ; |
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68 | |
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69 | // ~~~~~[ Interface : "predict" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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70 | public : SC_IN (Tcontrol_t ) ** in_PREDICT_VAL ; //[nb_inst_predict] |
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71 | public : SC_OUT(Tcontrol_t ) ** out_PREDICT_ACK ; //[nb_inst_predict] |
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72 | public : SC_IN (Tcontext_t ) ** in_PREDICT_CONTEXT_ID ; //[nb_inst_predict] |
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73 | public : SC_IN (Tgeneral_data_t ) ** in_PREDICT_ADDRESS ; //[nb_inst_predict] |
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74 | public : SC_OUT(Tcontrol_t ) ** out_PREDICT_HIT ; //[nb_inst_predict] |
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75 | public : SC_OUT(Tgeneral_data_t ) ** out_PREDICT_ADDRESS_SRC ; //[nb_inst_predict] |
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76 | public : SC_OUT(Tgeneral_data_t ) ** out_PREDICT_ADDRESS_DEST ; //[nb_inst_predict] |
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77 | public : SC_OUT(Tbranch_condition_t) ** out_PREDICT_CONDITION ; //[nb_inst_predict] |
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78 | public : SC_OUT(Tcontrol_t ) ** out_PREDICT_LAST_TAKE ; //[nb_inst_predict] |
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79 | public : SC_OUT(Tcontrol_t ) ** out_PREDICT_IS_ACCURATE ; //[nb_inst_predict] |
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80 | |
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81 | // ~~~~~[ Interface : "decod" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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82 | public : SC_IN (Tcontrol_t ) ** in_DECOD_VAL ; //[nb_inst_decod] |
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83 | public : SC_OUT(Tcontrol_t ) ** out_DECOD_ACK ; //[nb_inst_decod] |
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84 | //public : SC_OUT(Tcontrol_t ) ** out_DECOD_HIT ; //[nb_inst_decod] |
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85 | //public : SC_IN (Tptr_t ) ** in_DECOD_VICTIM ; //[nb_inst_decod] |
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86 | public : SC_IN (Tcontext_t ) ** in_DECOD_CONTEXT_ID ; //[nb_inst_decod] |
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87 | public : SC_IN (Tgeneral_data_t ) ** in_DECOD_ADDRESS_SRC ; //[nb_inst_decod] |
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88 | public : SC_IN (Tgeneral_data_t ) ** in_DECOD_ADDRESS_DEST ; //[nb_inst_decod] |
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89 | public : SC_IN (Tbranch_condition_t) ** in_DECOD_CONDITION ; //[nb_inst_decod] |
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90 | public : SC_IN (Tcontrol_t ) ** in_DECOD_LAST_TAKE ; //[nb_inst_decod] |
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91 | public : SC_IN (Tcontrol_t ) ** in_DECOD_MISS_PREDICTION ; //[nb_inst_decod] |
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92 | public : SC_IN (Tcontrol_t ) ** in_DECOD_IS_ACCURATE ; //[nb_inst_decod] |
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93 | |
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94 | // ~~~~~[ Interface : "update" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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95 | public : SC_IN (Tcontrol_t ) ** in_UPDATE_VAL ; //[nb_inst_update] |
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96 | public : SC_OUT(Tcontrol_t ) ** out_UPDATE_ACK ; //[nb_inst_update] |
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97 | //public : SC_OUT(Tcontrol_t ) ** out_UPDATE_HIT ; //[nb_inst_update] |
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98 | //public : SC_IN (Tptr_t ) ** in_UPDATE_VICTIM ; //[nb_inst_update] |
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99 | public : SC_IN (Tcontext_t ) ** in_UPDATE_CONTEXT_ID ; //[nb_inst_update] |
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100 | public : SC_IN (Tgeneral_data_t ) ** in_UPDATE_ADDRESS_SRC ; //[nb_inst_update] |
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101 | public : SC_IN (Tgeneral_data_t ) ** in_UPDATE_ADDRESS_DEST ; //[nb_inst_update] |
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102 | public : SC_IN (Tbranch_condition_t) ** in_UPDATE_CONDITION ; //[nb_inst_update] |
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103 | public : SC_IN (Tcontrol_t ) ** in_UPDATE_LAST_TAKE ; //[nb_inst_update] |
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104 | public : SC_IN (Tcontrol_t ) ** in_UPDATE_MISS_PREDICTION; //[nb_inst_update] |
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105 | |
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106 | // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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107 | public : morpheo::behavioural::generic::sort::Sort ** _component_sort; |
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108 | public : morpheo::behavioural::generic::victim::Victim * _component_victim; |
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109 | public : morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::branch_target_buffer::branch_target_buffer_glue::Branch_Target_Buffer_Glue * _component_branch_target_buffer_glue; |
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110 | public : morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::branch_target_buffer::branch_target_buffer_register::Branch_Target_Buffer_Register * _component_branch_target_buffer_register; |
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111 | |
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112 | // ~~~~~[ Register ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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113 | |
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114 | // ~~~~~[ Internal ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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115 | #endif |
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116 | |
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117 | // -----[ Methods ]--------------------------------------------------- |
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118 | |
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119 | #ifdef SYSTEMC |
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120 | SC_HAS_PROCESS (Branch_Target_Buffer); |
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121 | #endif |
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122 | public : Branch_Target_Buffer |
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123 | ( |
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124 | #ifdef SYSTEMC |
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125 | sc_module_name name, |
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126 | #else |
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127 | std::string name, |
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128 | #endif |
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129 | #ifdef STATISTICS |
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130 | morpheo::behavioural::Parameters_Statistics * param_statistics, |
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131 | #endif |
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132 | Parameters * param, |
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133 | morpheo::behavioural::Tusage_t usage |
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134 | ); |
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135 | public : ~Branch_Target_Buffer (void); |
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136 | |
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137 | private : void allocation ( |
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138 | #ifdef STATISTICS |
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139 | morpheo::behavioural::Parameters_Statistics * param_statistics |
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140 | #else |
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141 | void |
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142 | #endif |
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143 | ); |
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144 | private : void deallocation (void); |
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145 | |
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146 | #ifdef SYSTEMC |
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147 | # if defined(STATISTICS) or defined(VHDL_TESTBENCH) |
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148 | public : void transition (void); |
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149 | # endif |
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150 | #endif |
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151 | |
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152 | #if VHDL |
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153 | public : void vhdl (void); |
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154 | #endif |
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155 | |
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156 | #ifdef STATISTICS |
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157 | public : void statistics_allocation (morpheo::behavioural::Parameters_Statistics * param_statistics); |
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158 | public : void statistics_deallocation (void); |
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159 | #endif |
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160 | #if defined(STATISTICS) or defined(VHDL_TESTBENCH) |
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161 | private : void end_cycle (void); |
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162 | #endif |
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163 | }; |
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164 | |
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165 | }; // end namespace branch_target_buffer |
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166 | }; // end namespace prediction_unit |
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167 | }; // end namespace front_end |
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168 | }; // end namespace multi_front_end |
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169 | }; // end namespace core |
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170 | |
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171 | }; // end namespace behavioural |
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172 | }; // end namespace morpheo |
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173 | |
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174 | #endif |
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